Vb.net 如何获取Datagridview图像单元格的图像值
我有一个带有播放图像列的datagridview,如果用户单击播放图标,则单击单元格事件集“停止”来自资源的图像Vb.net 如何获取Datagridview图像单元格的图像值,vb.net,datagridview,datagridviewimagecolumn,Vb.net,Datagridview,Datagridviewimagecolumn,我有一个带有播放图像列的datagridview,如果用户单击播放图标,则单击单元格事件集“停止”来自资源的图像 Private Sub dg1_CellClick(sender As Object, e As DataGridViewCellEventArgs) Handles dg1.CellClick dg1.Rows(e.RowIndex).Cells(3).Value = New Bitmap(app1.My.Resources.stop) End Sub 但我需要得到用户什
Private Sub dg1_CellClick(sender As Object, e As DataGridViewCellEventArgs) Handles dg1.CellClick
dg1.Rows(e.RowIndex).Cells(3).Value = New Bitmap(app1.My.Resources.stop)
End Sub
但我需要得到用户什么形象点击(播放或停止)
如何获取Cellclick事件的datagridview图像名称?
我试过了
但是返回了“System.Drawing.Image”值我需要图像值。
对不起,我的英语不好
感谢您的关注这是我获取图像的方式。首先检查您单击的单元格类型是否为
DataGridViewImageCell
。如果是,请尝试将值
属性转换为所需的任何图像格式
{
dataGridView1.Columns.Add(new DataGridViewImageColumn());
BitMap bitMap = new BitMap(5,5); // or however you get it from resources
bitMap.Tag = "Play"; // Put the name of the image here
dataGridView1.Rows.Add(bitMap);
}
void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
{
var dgv = sender as DataGridView;
if (dgv == null)
return;
var imageCell = dgv[e.ColumnIndex, e.RowIndex] as DataGridViewImageCell;
if (imageCell == null)
return;
var image = imageCell.Value as Bitmap;
if (image == null)
return;
string name = image.Tag as String;
}
或者,您可以将位图另存为类级变量:
Bitmap playBitmap = New Bitmap(app1.My.Resources.play);
Bitmap stopBitmap = New Bitmap(app1.My.Resources.stop);
然后在单元中单击方法:
void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
{
var dgv = sender as DataGridView;
if (dgv == null)
return;
var imageCell = dgv[e.ColumnIndex, e.RowIndex] as DataGridViewImageCell;
if (imageCell == null)
return;
if(imageCell.Value == playBitmap)
{
}
else if (imageCell.Value == stopBitmap)
{
}
}
谢谢您的帮助,但应用程序返回了图像单元格的System.Drawing.Bitmap值,我需要图像当前名称。像资源的名称吗?
void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
{
var dgv = sender as DataGridView;
if (dgv == null)
return;
var imageCell = dgv[e.ColumnIndex, e.RowIndex] as DataGridViewImageCell;
if (imageCell == null)
return;
if(imageCell.Value == playBitmap)
{
}
else if (imageCell.Value == stopBitmap)
{
}
}