Find the rows and columns of a FlowLayoutPanel

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vs flowlayoutpanel

Just wondering if there is a way to easily lookup the rows and columns currently in a FlowLayoutPanel or if a manual calculation is required?

A manual calculation is required.

Arrange Controls Using FlowLayoutPanel, You can wrap the control's contents from one row to the next, or from one column to the next. Alternately, you can clip instead of wrap its contents. Controls in a TableLayoutPanel control can span adjacent rows and columns. To span columns and rows. Drag a TableLayoutPanel control from the Toolbox onto your form. Drag a Button control from the Toolbox into the upper-left cell of the TableLayoutPanel control. Set the Button control's ColumnSpan property to 2. Note that the Button control

This thread is old yet I had the requirement just today and GetFlowBreak was failing to return true on a control that caused the flow panel to break onto a new line. I am not sure why and I didn't have time to figure it out. This works for FlowDirection = LeftToRight.

Frankly, I don't have time to write this but I am anyway. Here is a simple extension method that will calculate the number of rows:

    public static int GetRowCount(this FlowLayoutPanel flowPanel)
        int rows = 1;

        int rowWidth = flowPanel.ClientRectangle.Width;

        foreach (Control control in flowPanel.Controls)
            rowWidth -= control.Width;

            if (rowWidth > 0)

            rows += 1;
            rowWidth = flowPanel.ClientRectangle.Width;

        return rows;


    int rows = ChoiceFlow.GetRowCount();



FlowLayoutPanel Control Overview, In the FlowLayoutPanel, whatever controls that you place in the panel, will rearrange itself to right of the previous control, in a See a screehshot to get a feel of it in action. You can add as many rows/columns to the layout. These rows and columns together form a Cell. Each Cell in the Layout can hold only one control or container. Now we have six rows and one column. But we want to place a label for each two rows of beds. We want to have six rows of beds and two rows belongs to one label. The idea here is, the Labels represents three floors, and each floor is

Here is an example using linq to calculate the height:

var heightNeeded = flowLayoutPanel1.Controls.OfType<Control>()
    .Max(x => x.Location.Y + x.Height) + 7;

FlowLayoutPanel & TableLayoutPanel controls (Visual Studio 2005 , The FlowLayoutPanel control is a container control that provides dynamically layout for the child controls that can be arranged horizontally or� If you resize the last column, all the other columns are resized proportionately. Figure 15-6. Automatic column resizing in the DataGridView. Setting an Automatic Resize Mode for Individual Columns. If you don't want all columns to be resized in the same way, you can adjust the AutoSizeMode property of the DataGridViewColumn object for each column.

Working With Windows Forms FlowLayoutPanel, However, this means that you need to carefully calculate their left and top The TableLayoutPanel control consists of rows and columns. Creating a FlowLayoutPanel. We can create a FlowLayoutPanel control using the Forms designer at design-time or using the FlowLayoutPanel class in code at run-time (also known as dynamically). Design-time. To create a FlowLayoutPanel control at design-time, you simply drag and drop a FlowLayoutPanel control from Toolbox to a Form in Visual Studio.

Changing Layout Dynamically in Windows Forms, The following sections help you get started with the Table layout. Enable Table Layout Mode. Create and Customize Rows and Columns. Cell� You can set the properties of rows or columns individually. The TableLayoutPanel control adds the following properties to its child controls: Cell , Column , Row , ColumnSpan , and RowSpan . You can merge cells in the TableLayoutPanel control by setting the ColumnSpan or RowSpan properties on a child control.

Table Layout | WinForms Controls, We can add controls by defining the column and row Number. Add a TableLayoutPanel control in the form and name it as “TablelayoutPnl”. Dim IDLbl As Here we can get the created label and text box's values according to the cell in the� The FlowLayoutPanel arranges controls in a particular way, according to MSDN:for vertical flow directions, the FlowLayoutPanel control calculates the width of an implied column from the widest child control in the column. All other controls in this column with Anchor or Dock properties are aligned or stretched to fit this implied column. The

  • FlowLayoutPanel has no columns or rows... Do you mean a TableLayoutPanel?
  • No I am using a flow layout panel and adding controls of all the same size and they come up in rows and columns. The controls I am adding are custom controls with a picturebox and label, but the bounding box is just a square and they are all the same size.
  • Ah, ok, the child controls in the FlowLayoutPanel appear to be rows and columns but the panel is arranging them from left to right, top to bottom. You'll need to do manual calculation...
  • Ok no worries, thanks for your help!