I have an application in which there is a form which I want to show on second screen.
Mean If application is running on screen A and when I click on menu to show Form it should display on Screen B and same with if application is running on screen B and when I click on menu to show Form it should display on Screen A.
To get the best possible match between your monitors, calibrate them to the same color temperature, brightness and gamma settings if possible. Use the monitor with the lowest brightness as your common denominator for all the other monitors.
You need to use the Screen
class to find a screen that the original form is not on, then set the second form's Location
property based on that screen's Bounds
.
For example:
var myScreen = Screen.FromControl(originalForm); var otherScreen = Screen.AllScreens.FirstOrDefault(s => !s.Equals(myScreen)) ?? myScreen; otherForm.Left = otherScreen.WorkingArea.Left + 120; otherForm.Top = otherScreen.WorkingArea.Top + 120;
This will work for any number of screens.
Note that it is possible that the video card is configured so that Windows sees one large screen instead of two smaller ones, in which case this becomes much more difficult.
Below is a function allowing you to display a form on any monitor. For your current scenario you can call this showOnMonitor(1);
.
Essentially you have to get screen information from Screen.AllScreens
and then get the dimensions of each, then place your form where you need it
function void showOnMonitor(int showOnMonitor)
{
Screen[] sc;
sc = Screen.AllScreens;
Form2 f = new Form2();
f.FormBorderStyle = FormBorderStyle.None;
f.Left = sc[showOnMonitor].Bounds.Left;
f.Top = sc[showOnMonitor].Bounds.Top;
f.StartPosition = FormStartPosition.Manual;
f.Show();
}
Note don't forget to do validation to ensure you actually have two screens etc else an exception will be thrown for accessing sc[showOnMonitor]
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