private async void btSaveScreenshot_Click(object sender, EventArgs e)
{
if (screenshotSaveDialog.ShowDialog(this) == DialogResult.OK)
{
var filename = screenshotSaveDialog.FileName;
var ext = Path.GetExtension(filename)?.ToLowerInvariant();
switch (ext)
{
case ".bmp":
await VideoCapture1.Frame_SaveAsync(filename, VFImageFormat.BMP, 0);
break;
case ".jpg":
await VideoCapture1.Frame_SaveAsync(filename, VFImageFormat.JPEG, 85);
break;
case ".gif":
await VideoCapture1.Frame_SaveAsync(filename, VFImageFormat.GIF, 0);
break;
case ".png":
await VideoCapture1.Frame_SaveAsync(filename, VFImageFormat.PNG, 0);
break;
case ".tiff":
await VideoCapture1.Frame_SaveAsync(filename, VFImageFormat.TIFF, 0);
break;
}
}
}