Adjust Spacing and Margins between Widgets in Layout

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Overview

To adjust margins and spacing between QWidgets use the following methods setSpacing and setContentsMargins that are implemented in class QLayout.

Example

This code snippet shows how to remove spacing and margins between widgets in instance of QVBoxLayout.

pLayout = new QVBoxLayout(this);

pLayout->setSpacing(0);
pLayout->setContentsMargins(0, 0, 0, 0);

pLayout->addWidget(m_pLabel, 0, Qt::AlignTop);
pLayout->addWidget(m_pButton, 0, Qt::AlignTop);

setLayout(pLayout);

Note:

QLayout::setMargins

was removed in qt6