Hi Kemal,
As far as I know, Listbox control doesn't support multi select in CF. We can use ListView instead, here we have two options:
1. Use Listview with checkbox enabled, we can check checkbox to implement multi selection.
2. P/Invoke native API to change Listview property to implement multi selection, like the code below:
private const int GWL_STYLE = -16;
private const int LVS_SINGLESEL = 0x0004;
[DllImport("coredll")]
private static extern IntPtr GetCapture();
[DllImport("coredll")]
private static extern int GetWindowLong(IntPtr hWnd, int nIndex);
[DllImport("coredll")]
private static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwLong);
private void Form1_Load(object sender, EventArgs e)
{
this.listView1.Capture = true;
IntPtr hWnd = GetCapture();
this.listView1.Capture = false;
int style = GetWindowLong(hWnd, GWL_STYLE);
SetWindowLong(hWnd, GWL_STYLE, (style & ~LVS_SINGLESEL));
}
Best regards,
Guang-Ming Bian - MSFT
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