/// <summary>
/// 设置控件Text
/// </summary>
public void setObj(Control c, string obj, bool isAdd = false)
{
if (c.InvokeRequired)
{
// 解决窗体关闭时出现“访问已释放句柄”异常
while (c.IsHandleCreated == false)
{
if (c.Disposing || c.IsDisposed)
{
return;
}
}
SetControlTextCallback d = new SetControlTextCallback(setObj);
c.Invoke(d, new object[] { c, obj, isAdd });
}
else
{
if (!isAdd)
{
c.Text = obj;
}
else
{
c.Text += obj;
}
}
}
public void AppendControlTextValue(Control control, string text)
{
if (textBox1.InvokeRequired)
{
SetControlTextCallback d = new SetControlTextCallback(SetControlTextValue);
Invoke(d, new object[] { control, text });
}
else
{
control.Text = text;
}
}
private void SetControlTextThreadSafe(Control c, string s)
{
if (c.InvokeRequired)
{
var d = new SetControlTextCallback(SetControlTextThreadSafe);
this.Invoke(d, new object[] { c, s });
}
else
{
c.Text = s;
}
}
// Update the text on a control
private void updateControlText(Control control, String text)
{
if (!control.IsDisposed)
{
if (control.InvokeRequired)
{
SetControlTextCallback update = new SetControlTextCallback(_updateControlText);
control.Invoke(update, new object[] { control, text });
}
else
{
_updateControlText(control, text);
}
}
}
public void SetControlTextValue(Control control, string text)
{
//to remedy crossthreading errors while using selenium and Winforms
// InvokeRequired required compares the thread ID of the
// calling thread to the thread ID of the creating thread.
// If these threads are different, it returns true.
if (textBox1.InvokeRequired)
{
SetControlTextCallback d = new SetControlTextCallback(SetControlTextValue);
Invoke(d, new object[] { control, text });
}
else
{
control.Text = text;
}
}
public void SetControlText(Control control, string val)
{
if (control.InvokeRequired)
{
SetControlTextCallback d = SetControlText;
try
{
Invoke(d, new object[] { control, val });
}
catch (Exception) { }
}
else
{
control.Text = val;
}
}
/// <summary>
/// Change the text label of a control
/// </summary>
/// <param name="container">The control that contains the control to change</param>
/// <param name="control">The control to change</param>
/// <param name="val">The new text</param>
public static void SetControlText(Control container, Control control, string val)
{
if (container == null || control == null)
{
return;
}
if (container.InvokeRequired)
{
SetControlTextCallback d = SetControlText;
try
{
container.Invoke(d, new object[] { container, control, val });
}
catch { }
}
else
{
control.Text = val;
}
}
/// <summary>
/// Change the text label of a control
/// </summary>
/// <param name="container">The control that contains the control to change</param>
/// <param name="control">The control to change</param>
/// <param name="val">The new text</param>
public static void SetControlText(Control container, Control control, string val)
{
if (container == null || control == null)
{
return;
}
if (container.InvokeRequired)
{
SetControlTextCallback d = SetControlText;
try
{
container.Invoke(d, new object[] { container, control, val });
}
catch { }
}
else
{
// I'm seeing InvokeRequired sometimes returning false and then failing here because invoke was required after all when running in the debugger
// just ignore the issue when it happens. text will update a bit later anyway
try { control.Text = val; }
catch (InvalidOperationException) { }
}
}
/// <summary>
/// Thread safe method of setting text box text
/// </summary>
/// <param name="control">Control to set text for</param>
/// <param name="text">Text to put into the control</param>
protected void SetControlText(Control control, string text)
{
if (control.InvokeRequired)
{
SetControlTextCallback d = new SetControlTextCallback(SetControlText);
Invoke(d, new object[] { control, text });
}
else
{
control.Text = text;
}
}
//
// Functions to update forms, text boxes, labels and check boxes on the form either
// directly or via callbacks since they may be called from the receive message
// function which is in a different thread.
//
// Update the text on a control
private void updateControlText(Control control, String text)
{
if (control.InvokeRequired)
{
SetControlTextCallback update = new SetControlTextCallback(_updateControlText);
control.Invoke(update, new object[] { control, text });
}
else
{
_updateControlText(control, text);
}
}
