//点击预览原图-上张 private void PictureBoxLast_photo_Click(object sender, EventArgs e) { if (previewForm != null) { previewForm.Dispose(); previewForm = null; } previewForm = new PreviewForm(this.pictureBox_photoLast.Image, this.groupBox_photoPreviewLast.Text); previewForm.ShowDialog(); }
//点击预览原图-上张 private void PictureBoxLast_photo_Click(object sender, EventArgs e) { if (this.pictureBox_photoLast.Image == null) { MessageBox.Show("无上张照片可预览", "温馨提示"); return; } if (previewForm != null) { previewForm.Dispose(); previewForm = null; } previewForm = new PreviewForm(this.pictureBox_photoLast.Image, this.groupBox_photoPreviewLast.Text); previewForm.ShowDialog(); }