tablelayoutpanel

问题 I am trying to dynamically add a TextBox to a TableLayoutPanel with the click of a Button. A Row is selected by click the mouse. Following a Row selection, a button click inserts a TextBox on the selected Row number. Problem is that after correctly displaying a TextBox 3 or 4 times on differently selected rows, further button clicks start displaying the TextBox on random rows, even if, debugging, the correct row number is shown. I need help please, here is the full code: public partial class

问题 This question already has answers here : Cannot remove spacing between controls in TableLayoutPanel? (3 answers) Closed 2 years ago . I have 4x4 table. How to make that the first row will have 2 cells only? Tried with ColumnSpan but it's still drawing borders between cells. Example: ---------------------- | A | B | ---------------------- | 1 | 2 | 3 | 4| ---------------------- 回答1: You can Dock a Panel with Margin=0 in a cell and then span that Panel to the desired size and use it as the

问题 I want to dynamically add controls to a panel when a button is clicked. But I want to organize the positions. For example I want to have two textboxes side by side equal in width taking the equal space of panel. See the picture below. As you can see in the picture above, when the button is clicked, controls will be added. But I am having problem with using TableLayoutPanel. See my code below. private void btnAddOption_Click(object sender, EventArgs e) { TextBox tb1 = new TextBox(); tb1.Text =

问题 I want to dynamically add controls to a panel when a button is clicked. But I want to organize the positions. For example I want to have two textboxes side by side equal in width taking the equal space of panel. See the picture below. As you can see in the picture above, when the button is clicked, controls will be added. But I am having problem with using TableLayoutPanel. See my code below. private void btnAddOption_Click(object sender, EventArgs e) { TextBox tb1 = new TextBox(); tb1.Text =

问题 I have a problem with my TLP. I would like the cell's color to be changed when the mouse is moving over the cells. I trieed different things but nothing works. Do you have an idea how I could get over this problem ? 回答1: TLPs are not very nice to work with. You can use the TableLayoutCellPaintEventArgs to learn about a cell while is being painted and convert the cursor's screen position to the relative one with PointToClient .. Here is an example, but I'm not sure how well it will work for

问题 I have a tablelayoutpanel. 2x2 - 2 columns 2 rows. For example, I added a button button1 in a 1 row, second column. button1 has a dock property set to Fill. VS Designer allows to set column/row span properties of button1 . I want an availability to change row span property of button1 programatically , so it can fill all second column(1 row and second row) and availability to set it back. How? 回答1: What about this code? private void button1_Click(object sender, EventArgs e) { var control =

问题 I've got a panel which will sometimes need more vertical screen space than naturally fits, so it needs to be able to vertically scroll. So, it's all set to AutoScroll. The controls are contained within a TableLayoutPanel and set to dock, so they should resize their width to match. Yet, when the control triggers the scrollbar, it always ends up creating a horizontal scrollbar, even though there's no minimum width constraint on the control that's being violated. It's creating the horizontal

问题 I am using tablelayoutpanel in my WinForm project, it responds slowly to events. I referred to this link to make tablelayoutpanel render faster. In my code, all the cells in tablelayoutpanel are of equal size(100%), I have added a picturebox in each cell and it's SizeMode property to stretch .The number of cells are just 9 and when i resize the panel it is slow. The code is as shown below. If i create 300 cells it takes 4 seconds to resize. Void change_tableLayout(int num) //num =9 {

问题 im trying to build a usercontrol which contains a tablelayoutpanel. in this panel i need to dynamically add 3 columns with each having different a width and 5 rows which all shell have the same height (20% of the tablelayoutpanel's height). column1 should have an absolute width of 20, column2 depending a width on its content (a textbox with .dock = fill) column3 a width of 30. my code: Private Sub BuildGUI() If Rows > 0 Then tlp.Controls.Clear() tlp.ColumnStyles.Clear() tlp.RowStyles.Clear()

问题 This is really simple. I have a TableLayoutPanel that is populated with controls (just Labels, Buttons, and some Panels with buttons) based on a database query. When the data needs to be refreshed, I use TableLayoutPanel.Controls.Clear(). Unfortunately, this is a very slow operation. I would expect it to be faster than the code populating the table, but it is at least 3 or 4 times slower. I definitively proved that the slowness is when executing Controls.Clear() by executing this as the