so I have this code
public void Update_Click(object sender, EventArgs e)
{
using (PccBiometricsHandler.Form1 ShowProgress = new PccBiometricsHandler.Form1())
{
menu.Items[2].Enabled = false;
ShowProgress.ShowDialog();
ShowProgress.FormClosed += new FormClosedEventHandler(MyForm_FormClosed);
}
}
public void MyForm_FormClosed(object sender, FormClosedEventArgs e)
{
updaterAccess();
menu.Items[2].Enabled = true;
}
so after I click Update it will run the child form Form1
which is this:
private void backgroundWorker1_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
notifyIcon1.Visible = true;
notifyIcon1.BalloonTipTitle = "Update Complete";
notifyIcon1.BalloonTipText = "Successfully Update";
notifyIcon1.ShowBalloonTip(500);
timer1.Interval = 4000;
timer1.Enabled = true;
timer1.Tick += new EventHandler(timer1_Tick);
timer1.Start();
}
private void timer1_Tick(object sender, EventArgs e)
{
notifyIcon1.Dispose();
this.Close();
}
so as you can see it runs on a backgroundworker with a timer to close the child Form1
now my problem is that after closing the Child Form1 it doesn't run the MyForm_FormClosed which it should enable menu.Items[2] again and updaterAccess()
I think I'm missing something in my mainForm
Attached the event handler before firing ShowDialog
public void Update_Click(object sender, EventArgs e)
{
using (PccBiometricsHandler.Form1 ShowProgress = new PccBiometricsHandler.Form1())
{
menu.Items[2].Enabled = false;
ShowProgress.FormClosed += new FormClosedEventHandler(MyForm_FormClosed); //Attached the event handler before firing ShowDialog
ShowProgress.ShowDialog();
}
}
ShowDialog synchronously shows a modal dialog, meaning it blocks until the form is closed (the following code is not run until the form is closed). Therefore, when ShowDialog returns the form is already closed.
You can attach the event handler before calling ShowDialog() as #Jade suggests, which will work, but honestly you do not need to use the event system at all. Simply wait for ShowDialog to return then perform the actions you would when the form is closed:
public void Update_Click(object sender, EventArgs e)
{
using (PccBiometricsHandler.Form1 ShowProgress = new PccBiometricsHandler.Form1())
{
menu.Items[2].Enabled = false;
ShowProgress.ShowDialog();
}
updaterAccess();
menu.Items[2].Enabled = true;
}
If you want to do this in VB:
AddHandler ShowProgress.FormClosed, AddressOf MyForm_FormClosed
Related
I have 2 forms
Form1
Form2
I have one button in Form1
private void button1_Click(object sender, EventArgs e)
{
Form2 f2 =new Form2();
f2.ShowDialog();
f2.Dispose();
}
but issue is while opening form it's bliking and diasparing
i have tried to use show() also but not solved the problem
If i have not used Disposed method then first time when run the form it appering and disappered but sencond time onward by clicking on button it's working fine...
In Form2_Load event i am using this two property
private void Form2_Load(object sender, EventArgs e)
{
this.RightToLeft = RightToLeft.Yes;
this.RightToLeftLayout = true;
}
Don't change the form layout while its loading. Change it before you launch. Remove the code from Form2_Load and put it in button1_Click:
private void button1_Click(object sender, EventArgs e)
{
Form2 f2 =new Form2();
f2.RightToLeft = RightToLeft.Yes;
f2.RightToLeftLayout = true;
f2.ShowDialog();
}
I would guess you want to show and close the form2 using the same button. And I doubt your initial problem description
"issue is while opening form it's bliking and diasparing"
I think form2 is not 'blinking' while opening, but is 'blinking' while you try to click the button again in form1
ShowDialog() will exit your execution after u called it. Mean, it will exit the execution after you click the button.
Thus, you should try Show() with conditional statement within the button click event
In form1.cs
bool flag = false;
Form2 frm2;
private void button1_Click(object sender, EventArgs e)
{
if (flag == false)
{
frm2 = new Form2();
frm2.Show();
frm2.Load += new EventHandler(frm2_Load);
frm2.FormClosed += new FormClosedEventHandler(frm2_FormClosed);
flag = true;
}
else
{
frm2.Close();
flag = false;
}
}
void frm2_Load(object sender, EventArgs e)
{
//set what ever properties you like
}
void frm2_FormClosed(object sender, FormClosedEventArgs e)
{
flag = false;
}
See also: A dialog disables all of the windows that your program displays
Remove this Property
this.RightToLeft = RightToLeft.Yes;
and run your form...
Try This :
private void button1_Click(object sender, EventArgs e)
{
using(Form2 f2 =new Form2())
{
f2.ShowDialog();
}
}
I've made this program in C#:
namespace Spammer
{
public partial class Form1 : Form
{
int delay, y = 1;
public Form1()
{
InitializeComponent();
}
private void button1_Click(object sender, EventArgs e)
{
delay = int.Parse(textBox2.Text);
timer1.Interval = delay;
timer1.Enabled = true;
}
private void button2_Click(object sender, EventArgs e)
{
timer1.Enabled = false;
}
private void timer1_Tick(object sender, EventArgs e)
{
String textt = textBox1.Text;
SendKeys.SendWait(textt);
}
}
}
It works fine most of the time, and it can really send keys quickly.
But when I insert a delay of, for example, 10 MS, it's very hard to click the "Stop" button to stop it. The only way to stop the sending is to close the program and I don't want to do that.
Is there anyway I can send keys very quickly, like 5-10 MS, without it impairing my ability to press the buttons inside the program? I can't click while it's sending quickly...
The problem is that you're using SendWait. That will wait for the target application to respond - and while that's happening, your application won't be able to respond to user input. If you use Send instead of SendWait, your UI thread won't be blocked waiting for the key press to be processed.
I was able to reproduce the issue. The app is sending a keystroke every 10 milliseconds. To me, this is not at all surprising that the app is causing freezes. A keystroke every 10 milliseconds is quite a barrage to the active App. Threading is not going to help. Why is this behavior surprising?
In other words, I don't expect things to work out well when I overload the message pump.
using System;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace Spammer//your own namesapce
{
public partial class Form1 : Form
{
int delayInMilliseconds, y = 1;
private Timer timer1;
public Form1()
{
InitializeComponent();
//StartTimerWithThreading();
SetupTimer();
}
void StartTimerWithThreading()
{
Task.Factory.StartNew(() =>
{
SetupTimer();
});
}
void SetupTimer()
{
timer1 = new Timer();//Assume system.windows.forms.timer
textBox2.Text = "10";//new delay
timer1.Tick += timer1_Tick;//handler
}
private void button1_Click(object sender, EventArgs e)
{
delayInMilliseconds = int.Parse(textBox2.Text);
timer1.Interval = delayInMilliseconds;
timer1.Enabled = true;
}
private void button2_Click(object sender, EventArgs e)
{
timer1.Enabled = false;
}
private void timer1_Tick(object sender, EventArgs e)
{
String textt = textBox1.Text;
SendKeys.SendWait(textt);
}
}
}
The simple solution is instead of adding code to a Click event handler for your button, we need a MouseDown event handler:
//MouseDown event handler for the button2
private void button2_MouseDown(object sender, EventArgs e) {
timer1.Enabled = false;
}
Or you can keep using the Click event handler but we send the key only when the MouseButtons is not Left like this:
private void timer1_Tick(object sender, EventArgs e) {
String textt = textBox1.Text;
if(MouseButtons != MouseButtons.Left) SendKeys.Send(textt);
}
//then you can freely click your button to stop it.
I'm having some trouble with hiding a form when a BackgroundWorker process is completed.
private void submitButton_Click(object sender, EventArgs e)
{
processing f2 = new processing();
f2.MdiParent = this.ParentForm;
f2.StartPosition = FormStartPosition.CenterScreen;
f2.Show();
this.Hide();
backgroundWorker1.RunWorkerAsync();
}
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
// loop through and upload our sound bits
string[] files = System.IO.Directory.GetFiles(System.Environment.GetFolderPath(System.Environment.SpecialFolder.MyDocuments) + "\\wav", "*.wav", System.IO.SearchOption.AllDirectories);
foreach (string soundBit in files)
{
System.Net.WebClient Client = new System.Net.WebClient();
Client.Headers.Add("Content-Type", "audio/mpeg");
byte[] result = Client.UploadFile("http://mywebsite.com/upload.php", "POST", soundBit);
}
}
private void backgroundWorker1_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
formSubmitted f3 = new formSubmitted();
f3.MdiParent = this.ParentForm;
f3.StartPosition = FormStartPosition.CenterScreen;
f3.Show();
this.Hide();
}
Basically, after the 'submit' button is pressed, the application begins to upload the files to the webserver via a php script. Once the upload is complete, the RunWorkerCompleted method is triggered, opening the formSubmitted form. The issue I'm having is that the processing form does not close once the backgroundworker is complete and the formSubmitted opens directly on top of the processing form - as opposed to what I want, having the processing form close and then open the formSubmitted form.
Well actually you are never closing processing form:
try following:
private processing _processingForm;
private void submitButton_Click(object sender, EventArgs e)
{
_processingForm = new processing();
_processingForm.MdiParent = this.ParentForm;
_processingForm.StartPosition = FormStartPosition.CenterScreen;
_processingForm.Show();
this.Hide(); //HIDES THE CURRENT FORM CONTAINING SUBMIT BUTTON
backgroundWorker1.RunWorkerAsync();
}
Now on completion hide processing form:
private void backgroundWorker1_RunWorkerCompleted(object sender,
RunWorkerCompletedEventArgs e)
{
formSubmitted f3 = new formSubmitted();
f3.MdiParent = this.ParentForm;
f3.StartPosition = FormStartPosition.CenterScreen;
_processingForm.Close();//CLOSE processing FORM
f3.Show();
this.Hide();//this REFERS TO THE FORM CONTAINING WORKER OBJECT
}
I have a .NET form with a System.Windows.Forms.Timer declared using the VS designer. The timer works fine. After I close the form, the timer doesn't fire events even if I recreate the Timer object. I've configured the Form to never close using this:
void MainFormFormClosing(object sender, FormClosingEventArgs e)
{
// never close
e.Cancel = true;
// only hide
this.Visible = false;
}
How do I make the timer fire events? What am I doing wrong?
I just tried this one. Added a WinForms Timer component on the form, start timer on load, and debug current time in debug window. Workes fine for me...
public frmTimer()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
timer1.Start();
}
private void timer1_Tick(object sender, EventArgs e)
{
Debug.WriteLine(DateTime.Now.ToLongTimeString());
}
private void Form1_FormClosing(object sender, FormClosingEventArgs e)
{
e.Cancel = true;
this.Visible = false;
}
I need to hide current form after many second and then show any form
I'm writing this code but it doesn't work.
namespace tempprj
{
public partial class ProfileFrm : Telerik.WinControls.UI.RadForm
{
public ProfileFrm()
{
InitializeComponent();
}
private void ProfileFrm_Load(object sender, EventArgs e)
{
Frm2 child = new Frm2();
Thread.Sleep(3000);
this.Hide();
child.ShowDialog();
}
}
}
Thread.Sleep(3000);
is going to prevent your project from doing anything at all for 3 seconds (not counting other threads) and freeze the UI. I suggest using the standard .NET timer.
http://msdn.microsoft.com/en-us/library/system.windows.forms.timer.aspx
This is a solution to my question:
private void ProfileFrm_Load(object sender, EventArgs e)
{
timer1.Tick += new EventHandler(timer1_Tick);
timer1.Enabled = true;
timer1.Interval = 4000;
timer1.Start();
}
private void timer1_Tick(object sender, EventArgs e)
{
timer1.Stop();
this.Hide();
Frm2 f = new Frm2();
f.ShowDialog();
}